<template>
	<view class="content">
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item"
				:class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
				{{item.text}}
			</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="scollorData">
					<!-- 空白页 -->
					<empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>
					<!-- 订单列表 -->
					<view v-for="(item,index) in tabItem.orderList" :key="index" class="order-item">
						<view class="i-top b-b">
							<text class="time" v-if="item.statusNo==0">下单时间: {{item.createTime}}</text>
							<text class="time" v-if="item.statusNo==1">付款时间: {{item.paymenttime}}</text>
							<text class="time" v-if="item.statusNo==2">发货时间: {{item.sendtime}}</text>
							<text class="time" v-if="item.statusNo==3">完成时间: {{item.endtime}}</text>
							<text class="time" v-if="item.statusNo==4">关闭时间: {{item.closetime}}</text>
							<text class="state" :style="{color: item.stateTipColor}">{{item.stateTip}}</text>
							<text v-if="item.statusNo>3" class="del-btn yticon icon-iconfontshanchu1"
								@click="deleteOrder(item.ordId)"></text>
						</view>

						<!-- <scroll-view v-if="item.goodsList.length > 1" class="goods-box" scroll-x>
							<view v-for="(goodsItem, goodsIndex) in item.goodsList" :key="goodsIndex"
								class="goods-item">
								<image class="goods-img" :src="goodsItem.image" mode="aspectFill"></image>
							</view>
						</scroll-view> -->
						<view  class="goods-box-single"
							v-for="(goodsItem, goodsIndex) in item.orderDetails" :key="goodsIndex">
							<image class="goods-img" :src="`${tempUrl}${goodsItem.pic}`" mode="aspectFill"></image>
							<view class="right">
								<text class="title clamp">{{goodsItem.gname}}</text>
								<text class="attr-box">{{goodsItem.specs}} x {{goodsItem.quantity}}</text>
								<text class="price">{{goodsItem.price}}</text>
							</view>
						</view>

						<view class="price-box">
							共
							<text class="num">{{totalNum(item.orderDetails)}}</text>
							件商品 实付款
							<text class="price">{{item.totalPrice}}</text>
						</view>
						<view class="action-box b-t" v-if="item.statusNo ==0 ">
							<button class="action-btn" @click="change(item,4)">取消订单</button>
							<button class="action-btn recom" @click="createOrder(item)">立即支付</button>
						</view>
						<!-- <view class="action-box b-t" v-if="item.statusNo == 1">
							<button class="action-btn recom" @click="change(item,2)" >确认发货</button>
						</view> -->
						<view class="action-box b-t" v-if="item.statusNo == 2">
							<button class="action-btn recom" @click="change(item,3)" >确认收货</button>
						</view>
					</view>

					<uni-load-more :status="tabItem.loadingType"></uni-load-more>
				</scroll-view>
			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	import {
		baseUrl
	} from "@/common/js/request.js"
	import {
		mapState,
		mapMutations
	} from 'vuex';
	import {
		getOrdersPage,updateOrder,deleteOrder
	}from "../../api/order.js"
	import empty from "../empty/empty.vue"
	export default {
		components: {
			empty
		},
		data() {
			return {
				tempUrl:'',
				user:{},
				current:1,
				size:8,
				tabCurrentIndex: 0,
				orderList:[],
				navList: [{
						state: -1,
						text: '全部',
						loadingType: 'more',
						orderList: []
					},
					{
						state: 0,
						text: '待付款',
						loadingType: 'more',
						orderList: []
					},
					{
						state: [1,2],
						text: '待收货',
						loadingType: 'more',
						orderList: []
					}
					,{
						state: 3,
						text: '已完成',
						loadingType: 'more',
						orderList: []
					}
				],
			};
		},
		computed: {
					...mapState(['hasLogin', 'userInfo'])
		},
		onLoad(options) {
			/**
			 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
			 * 替换onLoad下代码即可
			 */
			this.tabCurrentIndex = +options.state;
			// #ifndef MP
			this.loadData()
			// #endif
			// #ifdef MP
			if (options.state == '') {
				this.loadData()
			}
			// #endif
		},
		onShow() {
			this.tabCurrentIndex=0
			this.loadData()
		},
		created() {
			this.user = this.$store.state.userInfo;
			this.tempUrl = this.baseUrl
		},
		methods: {
			//获取订单列表
			loadData(source) {
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let state = navItem.state;

				if (source === 'tabChange' && navItem.loaded === true) {
					//tab切换只有第一次需要加载数据
					return;
				}
				if (navItem.loadingType === 'loading') {
					//防止重复加载
					return;
				}

				navItem.loadingType = 'loading';
				getOrdersPage({
					uid:this.user.uid,
					status:state>-1?state:'',
					size:this.size,current:this.current}).then(res=>{
					this.orderList=[]
					if(res.data.records.length==0){
						this.current=1
						this.orderList=[]
					}
					else{
						this.orderList =res.data.records
					}
					this.orderList = this.orderList.filter(item => {
						//添加不同状态下订单的表现形式
						item = Object.assign(item, this.orderStateExp(item.statusNo));
						//演示数据所以自己进行状态筛选
						if (state ==-1) {
							//0为全部订单
							return item;
						}
						if(state instanceof Array){
							return item.statusNo ==1 || item.statusNo ==2
						}else if(state==3){
							return item.statusNo>=3;
						}
						else{
							return item.statusNo === state
						}
						
					});
					// orderList.forEach(item => {
					// 	navItem.orderList.push(item);
					// })
					// if(orderList.length>0){
					// 	navItem.orderList=[...orderList]
					// }else{
						
					// }
					navItem.orderList=[...navItem.orderList,...this.orderList]
					//loaded新字段用于表示数据加载完毕，如果为空可以显示空白页
					this.$set(navItem, 'loaded', true);
					
					//判断是否还有数据， 有改为 more， 没有改为noMore 
					navItem.loadingType = 'none';
				})
				// setTimeout(() => {
				
				// }, 600);
			},
			scollorData(){
				if(this.orderList.length>0){
					this.current++
					this.loadData()
				}
				
			},
			//创建订单
			createOrder(item){
				console.log(item)
				uni.redirectTo({
					url: `/money/pay?data=${encodeURIComponent(JSON.stringify(item))}`
				})
				// uni.navigateTo({
				// 	url: `/shopping/order/createOrder?data=${encodeURIComponent(JSON.stringify({item}))}`
				// })
			},
			//swiper 切换
			changeTab(e) {
				this.tabCurrentIndex = e.target.current;
				this.current=1
				this.loadData('tabChange');
			},
			//顶部tab点击
			tabClick(index) {
				this.current=1
				this.tabCurrentIndex = index;
			},
			//确认收货
			change(item,statusNo){
				uni.showLoading({
					title: '请稍后'
				})
				item.statusNo=statusNo
				updateOrder(item).then(res=>{
					if(res.code==200){
						this.loadData()
						uni.hideLoading();
					}
				})
			},
			//删除订单
			deleteOrder(index) {
				uni.showLoading({
					title: '请稍后'
				})
				deleteOrder([index]).then(res=>{
					if(res.code==200){
						uni.hideLoading();
						this.current=1
						this.loadData()
						this.$commonFunc.msg("删除成功")
						
					}
				})
				// setTimeout(() => {
				// 	this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
				// 	uni.hideLoading();
				// }, 600)
			},
			//取消订单
			cancelOrder(item) {
				uni.showLoading({
					title: '请稍后'
				})
				setTimeout(() => {
					let {
						stateTip,
						stateTipColor
					} = this.orderStateExp(9);
					item = Object.assign(item, {
						state: 9,
						stateTip,
						stateTipColor
					})

					//取消订单后删除待付款中该项
					let list = this.navList[1].orderList;
					let index = list.findIndex(val => val.id === item.id);
					index !== -1 && list.splice(index, 1);

					uni.hideLoading();
				}, 600)
			},

			//订单状态文字和颜色
			orderStateExp(state) {
				let stateTip = '',
					stateTipColor = '#fa436a';
				switch (state) {
					case 0:
						stateTip = '待付款';
						break;
					case 1:
						stateTip = '待发货';
						break;
					case 2:
						stateTip = '待收货';
						break;			
					case 3:
						stateTip = '已完成';
						break;
					case 4:
						stateTip = '订单已取消';
						stateTipColor = '#909399';
						break;

						//更多自定义
				}
				return {
					stateTip,
					stateTipColor
				};
			},
			totalNum(goods){
				let total=0;
				goods.map(item=>{
					total+=item.quantity
				})
				return total
			}
		},
	}
</script>

<style lang="scss">
	page,
	.content {
		background: $page-color-base;
		height: 100%;
	}

	.swiper-box {
		height: calc(100% - 40px);
	}

	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, .06);
		position: relative;
		z-index: 10;

		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;

			&.current {
				color: $base-color;

				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}

	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;

		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;

			.time {
				flex: 1;
			}

			.state {
				color: $base-color;
			}

			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;

				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}

		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;

			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}

			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}

		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;

			.goods-img {
				display: block;
				width: 120upx;
				height: 120upx;
			}

			.right {
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;

				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}

				.attr-box {
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}

				.price {
					font-size: $font-base + 2upx;
					color: $font-color-dark;

					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;

			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}

			.price {
				font-size: $font-lg;
				color: $font-color-dark;

				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}

		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}

		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;

			&:after {
				border-radius: 100px;
			}

			&.recom {
				background: #fff9f9;
				color: $base-color;

				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}


	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px
	}

	.uni-load-more__img>view {
		position: absolute
	}

	.uni-load-more__img>view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: .2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite
	}

	.uni-load-more__img>view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0
	}

	.uni-load-more__img>view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px
	}

	.uni-load-more__img>view view:nth-child(4) {
		top: 11px;
		left: 0
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px
	}

	.load2 {
		transform: rotate(30deg)
	}

	.load3 {
		transform: rotate(60deg)
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s
	}

	.load2 view:nth-child(1) {
		animation-delay: .13s
	}

	.load3 view:nth-child(1) {
		animation-delay: .26s
	}

	.load1 view:nth-child(2) {
		animation-delay: .39s
	}

	.load2 view:nth-child(2) {
		animation-delay: .52s
	}

	.load3 view:nth-child(2) {
		animation-delay: .65s
	}

	.load1 view:nth-child(3) {
		animation-delay: .78s
	}

	.load2 view:nth-child(3) {
		animation-delay: .91s
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1
		}

		100% {
			opacity: .2
		}
	}
</style>
